US Bridges

N1040 over Hackberry Creek

FairPosted for load

Texas County, Oklahoma · 2.2E 4.1S of Hardesty · Structure no. 138140000000000

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
98 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N1040 over Hackberry Creek is a steel truss - thru carrying N1040 over Hackberry Creek in Texas County, Oklahoma. It was built in 1957, so it is 68 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 98 ft (29.9 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN1040
CrossesHackberry Creek
Location2.2E 4.1S of Hardesty
RouteCounty Highway N1040
Coordinates36.55697, -101.15206
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.3 US tons
Inventory rating11.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length98 ft (29.9 m)
Longest span96 ft (29.3 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$503,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1040 over Hackberry Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is N1040 over Hackberry Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does N1040 over Hackberry Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N1040 over Hackberry Creek?

The structure is 98 ft (29.9 m) long with a longest span of 96 ft (29.3 m) and a deck 19 ft wide.

Who owns N1040 over Hackberry Creek?

It is owned by the County Highway Agency.